v0.9.0

Added

• Added AsyncContinuationOptions.
• Added AsyncCreationOptions.
• Added Promise-like extensions Then, ThenAll, ThenAny, Rebind, Catch, Finally and Done.
• Added Unwrap extension methods.
• Added FromTask/FromObservable helpers.
• Added FromAction helpers.
• Added ToAsync extension method for IObservable interface.
• Added TryAddContinuation/RemoveContinuation methods to IAsyncOperationEvents for non-delegate continuations.
• Added IAsyncUpdatable and IAsyncUpdateSource interfaces.
• Added Delay/Retry overload that uses IAsyncUpdateSource-based service for time management.
• Added cancellation support (IAsyncCancellable interface, WithCancellation extension method and many implementation changes).
• Added Wait/Join overloads with CancellationToken argument.

Changed

• Changed ContinueWith extension signatures to match corresponding Task methods.
• Changed IAsyncOperation.Exception to always return an exception instance if completed with non-success.
• Changed AddCompletionCallback/AddContinuation to instance methods (instead of extensions).

Fixed

• Fixed exception not initialized properly for canceled operations sometimes.

Removed

• Removed GetAwaiter/ConfigureAwait instance methods from AsyncResult to avoid code duplication (extension methods should be used).
• Removed all AsyncCompletionSource methods having completedSynchronously argument.